פּוֹתַחַת f. (פָּתַת) 1) lock. B. Bath. VI, 5 זה עושה לו פ׳ וכ׳ this one (the owner of the well) has the right to put on a lock, and so that one (the owner of the house) has. Kel. XIII, 6, v. חָף; a. fr.—Pl. פּוֹתְחוֹת. Tam. III, 7. Mekh. B’shall. s. 1 ועינים היו להם לפ׳ and they (the rocky forms) had eyes in place of locks (?). —2) pl. פּוֹתְהוֹת hinges, socket and pivot. Num. R. s. 12 (expl. פתות, I Kings VII, 50) אלו פ׳ it means the hinges (sockets and pivots); Cant. R. to III, 10 חפיפות read: חפי פ׳, v. חָף; Pesik. R. s. 6 הבלוטין שבפ׳ the pegs (pivots) of the hinges.